diff --git a/app/main/views/dashboard.py b/app/main/views/dashboard.py
index f04e3245f..9ad3586b4 100644
--- a/app/main/views/dashboard.py
+++ b/app/main/views/dashboard.py
@@ -1,5 +1,4 @@
 import calendar
-from collections import defaultdict
 from datetime import datetime
 from functools import partial
 from flask import (